Vacuum cleaner



FIG. 1 is a front view of a vacuum cleaner showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a right perspective view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a top view thereof.

The broken lines showing of various regions of the vacuum cleaner is for environmental purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a vacuum cleaner, as shown and described. 